Gem-setting machine.



H. E. GRABAU.

GEM SETTING MACHINE.

APPLICATION FILED MAR. 1, 1914.

Patented. Apr. 13, 1915.

4 SHEETSSHEET 1.

THE NORRIS PETERS 60., PHOTO-LITHQ, WASHINGTON D. C

H. E. GRABAU.

GEM SETTING MACHINE.

APPLICATION FILED MAR. 1. 1914.

Patented Apr. 13', 1915.

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4 SHEETS-SHEET 2.

HE NORRIS PETERS 60., PHOTUJJTHQ, WASHINGTON. D G I H. E. GRABAU.

GEM SETTING MACHINE.

APPLICATION FILED MAILY, 1914.

Lfl3fifiwfio Patented Apr. 13, 1915.

4 SHEETSSHEBT 3.

THE NORRIS PETERS 60.. PHOTO-LITHO., WASHINGTON. n, c

H. E. GRABAU.

GEM SETTlNG MACHINE.

APPLICATION FILED MAR. 7. 1914.

Patented Apr. 13, 1915.

4 SHEETS-SHEET 4.

THE NORRIS PETERS c0. PHDTO-LITHQ, WASHINGTON, D. Q7

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perta n swamps ramnnr i liie.

HANS E. GRABAU, OF NEW YORK, N. Y.

GEM-SETTING MACHINE.

Application filed March '7, 1914.

To all whom it may concern:

Be it known that T, HANS E. GRABAU, a citizen of the United States, and resident of New York, in the county and State of New York, have invented certain new and useful Improvements in Gem-Setting Machines, of which the following is a specification.

This invention relates to machines for setting gems and more particularly to machines adapted to automatically fasten gems to a flexible tape or other fabric.

The objects of the invention are to provide a machine of this character which may be conveniently and rapidly operated and whereby the gems may be secured in po sition at a minimum cost.

The novel features of the invention will be apparent from the following description, taken in connection with the accompanying drawings, in which:

Figure 1 is a side elevation of a machine embodying the invention; Fig. 2 is an elevation of the side opposite to that shown in Fig. 1; Fig. 3 is a plan view of the machine; Fig. 1- is an end elevation; Fig. 5 is an enlarged section showing. the mechanism for securing the gems to the fabric; Fig. 6 is a perspective view of one of the settings by means of which the gems are secured to the fabric; Fig. 7 is a plan View of a tape showing the gems as secured thereon by the machine; Fig. 8 is a sectional view of a detail; and Fig. 9 is a perspective view of a detail.

Referring to the drawings, 10 indicates the base of the machine on which is secured a frame 11, this frame supporting the operating mechanism. The frame 11 has an upward extension 12 provided with arms 13 and 1-1, which have openings in which a plunger 15 is slidably arranged. The plunger 15 has secured thereon a collar 16, and between this collar and the arm 13 there is coiled around the plunger a spring 17 which is compressed when the plunger is moved downward and which is adapted to move the plunger upward. The plunger 15 has arranged therein a slidable rod 18 and a spring 19, which normally presses this rod downward. The rod 18 is provided with a slot 20 in one side thereof and the set screw 21 carried by the plunger 15 engages this slot and prevents the rod from turning in the plunger.

Below the plunger 15 the frame 11 has rotatably mounted thereon, a wheel 22 pro Specification of Letters Patent.

' Patented Apr. 13, 1915.

Serial No. 823,197.

vided with a series of openings 23 in its periphery, these openings being radial and having slidably arranged therein the pins 24:. The pins 2-1- are hollow and carry plungers 25 which are pressed outwardly by means of springs 26 carried by the pins. The inner ends of the pins 24: engage a suitably formed stationary cam 27, as shown in Figs. 1 and 5, this cam actuating the pins in a manner to be described hereinafter.

Cooperating with the wheel 22 is a suitably formed chute 28 for the settings a. As shown'in Fig. 6, these settings consist of a dished ring from which a series of prongs project. In fastening the gems to the fabric or tape, the settings a are arranged below the fabric with the prongs projecting thereabove, and the gems being placed in the setting are secured by bending the prongs against the faces of the settings, as shown in Fig. 7. Referring to Fig. 5, it will be seen that the upper end of the pin 2%, which is directly under the plunger 15, is recessed to receive and form a seat for the setting a, the setting being held in this seat by means of the plunger 25 which projects through the opening in the setting. The tape 6 passes through a suitable guide 29, from a reel (not shown), and then around a pulley 30. From the pulley 30, the tape leads to a suitable tension device 31 and from the latter around a pulley 32 which. is mounted on a suitable pivot pin 33. Cooperating with the periphery of the pulley 32 is a belt 34: carried by pulleys 35 and 36 which are mounted on an arm 37, this arm being pivotally mounted at 38, and the belt 3% being held against the pulley 32 by means of a spring 39. The tape passes between the belt 34 and the periphery of the pulley 32 and is automatically drawn forward after each gem is secured by a suitable intermittently operating mechanism about to be described.

The mechanism for feeding the tape consists of a ratchet wheel 40 which is secured to the pulley 32 and has cooperating there'- with a pawl 41 which is pivoted to an arm 42 and held in engagement with the ratchet wheel by means ofa spring 43. The arm 42 is mounted on the pivot 33 and adapted to oscillate thereonand is connected to a lever 44 by means of a suitable link 45. The lower end of the lever 44 is mounted on a pivot 46 and this lever has pivotally mounted thereon an arm 47 which is adapted. to be Q tape 6 to the setting a is shown in Fig. 5,

engaged by a pin 48 on the side of a lever 49 for the purpose of oscillating the lever 44. The arm 47 is engaged on one side by an adjustable screw 50 carried by the lever 44, and, as will be seen from Fig. 2, this screw is adapted to vary the relation of the arm 47 to the lever 44. A spring 51 has its lower end secured to a fixed part of the machine and is arranged to press the lever 44 toward the left in Fig. 2, the engagement of the arm 47 with the pin 48 forming a stop for the lever 44.

The lever 49 has one end arranged on a pivot 52 on the frame 11 and is oscillated aboutthis pivot to actuate the various parts of the machine. It will be seen from Fig. 2 that whenthe lever 49 is swung downward the spring 51 will be permitted to swing the lever 44 toward the left, keeping the arm 47 in engagement with thepin 48. The movement of the lever 44 is transmitted to the arm 42 by means ofthe link 45 and, as will be readily understood from Fig. 1, the pawl 41 will be drawn over one or more of the teeth of the ratchet wheel 43. The lever 49 is drawn upward by means of a spring 53 and the upward movement of this lever causes the lever 44 to be moved toward the right, in Fig. 2, and efiects a similar movement of the arm 42 and the pawl 41. This movement of the pawl 41 causes the pawl to rotate the ratchet wheel 40 and the wheel 82 and thus draw the tape toward the left in Fig. 1. As will be readily understood, the extent of oscillation of the lever 44 and consequently the distance which the tape is fed forward, may be varied by adjusting the position of the screw 50.

The approximate normal relation of the but this relation may be varied in a vertical direction by adjusting the position of the bracket 54 which carries the pulley 30 and the bracket 55 which carries the tension device 31. For the purpose of adjusting the bracket 54, it is provided with a slot 56 and is secured to the arm 13 by means of a screw 57 which passes through the slot 56. The bracket 55 is secured to the frame 11 by means of screws 58 which engage slots 59 in the bracket, these slots permitting the desired vertical adjustment of the bracket.

The mechanism for attaching the settings and the gems to the tape 5 is clearly shown in Fig. 5. The gem c, which is about to be secured to the tape, is held directly over the setting a by means of a pair of fingers 60 and 61 which are pivoted at 62 and 63, re spectively, to an arm 64. The fingers 60 and 61 are yieldingly pressed together by springs and the arm 64 carries a pin 66, between the fingers 60 and 61., which determines the position of the fingers as shown in Fig. 3. The fingers are provided with cooperating recesses in their outer ends which form a suitable pocket 67 for the gem. The normal position of the arm 64 is shown in Fig. 3 and when in this position a gem may be placed in the pocket 67 by hand. In

order to provide for conveniently supplying ger 25. The plunger 15 is then brought down by suitable mechanism, to be described hereinafter, and the recessed lower end 68 of the rod engages the gem and forces it downward against the tape, the fingers 60 and 61 separating sufficiently to permit the gem to be carried downuan'dly. hen the gem engages the tape, the latter will also be depressed and carried between the prongs of the setting a, the plunger 25 yielding downwardly for this purpose. When the gem and the tape has been depressed as far as the parts will permit the spring 19 yields and the plunger 15 moves into engagement with the prongs of the setting. It will be observed that the lower end of the plunger 15 is provided with. a concavity 69 and this will cause the prongs to be bent inward against the faces of the gem and thereby secure the gem to the tape as shown in Fig. 7.

For the purpose of carrying the settings (1. from the chute 28 into position below the plunger 15, the wheel 22 is rotated after each operation of the plunger 15. Referring to Fig. 5, it will be seen that if the wheel 22 is rotated, toward the left, the plunger 25, which is directly below the chute 28, will be moved so as to enter the opening in the lower side of the setting and thus carry the setting along with the wheel. As the lowermost setting is removed from the chute, the following ones will slide down so that the lowermost one will be in position to be taken by the succeeding plunger 25. As the wheel 22 rotates the cam 27 forces the pin 24 outward from the position shown below the chute 28 to the position shown below the plunger 15 thus moving the parts into position for the next operation of the plunger. The wheel 22 is thus intermittently rotated by means of an oscillatable arm 7 O which is mounted on the shaft 71 of the wheel 22 and carries in its outer end a pin 72 which is slidable in the arm and pressed against the wheel 22 by means of a spring 73.

As shown in Fig. 8, the end of the pin 72, which engages the wheel 22, is beveled and the pin has secured in the side thereof a key 74 which slides in a slot 75 in the arm 70 and prevents the pin 72 from rotating. The wheel 22 is provided with a series of openings 76 arranged in a circle about the axis of the wheel and these openings have cuntersunk portions 77 which cooperate with the beveled end of the pin 72 to perunit the arm 70 to move downwardly without carrying the Wheel 22 with it. Bearing on the periphery of the wheel 22 is a retarding spring or brake 7 8 which holds the wheel against backward rotation. The arm 70 has pivoted thereto a link 79 which is provided with a slot 80 in its upper end through which passes a screw 81 carried by the lever 49. When the lever 49 is depressed the arm 70 and the link 79 will be drawn down by gravity and the pin 72 will engage the next opening 76, and on the succeeding upward movement of the lever 49 the pin 7 2, engaging the straight side of the opening 76, will carry the wheel 22 with it. In order to prevent overrunning of the wheel 22 the latter is provided with aseries of pins 82 near its periphery and one of these pins engages a suitable stop 83, carried by the lever 49. The stop 83, being carried by the lever 49, will be moved out of engagement with the pin when the lever is depressed and therefore the wheel 22 will be permitted to be carried forward by the pin 72 on the next succeeding upward movement of the lever 49.

For the purpose of actuating the lever 49 and also the arm 64, there is pivotally mounted on the arm 49 an angle lever 84 to which a suitable treadle not shown is con nected by means of a rod 85. The vertical portion of the lever 84 has a cam surface 86 which engages the side of the arm 64 and when the rod is pulled downward the lever 84 will swing on its pivotal connection with the lever 49 and thereby swing the arm 64 to carry a gem into position below the rod 18. Referring to Fig. 3, it will be seen that the arm 64 is carried on a shaft 87 supported in bearings on the frame 11 and has a rearward extension 88 which is engaged by the angle lever 84. An adjustable stop screw 89 is suitably supported on the frame 11 and limits the movement of the arm 64 by the extension 88 coming into engagement therewith. When the extension 88 engages the screw 89, the turning movement of the lever 84 on its pivotal connection with the lever 49 will be interrupted and then the lever 49 will be depressed. As the lever 49 is depressed the cam surface 86 will slide on the arm 64, and the ofiset portion 90 of this cam surface will permit the arm 64 to be swung outwardly by the spring 91, which is coiled around the shaft 87 and has one end secured to the frame of the machine and the other end secured to a collar 92 on the shaft. When the rod 85 is released, the spring 53 will draw the lever 49 upward to the position shown in Fig. 2. In

order to permit the arm 64 to be swung outwardly by the spring 91 when the offset portion 90 of the cam is opposite the lever 64, there is provided an adjustable screw 93 which is secured in the lever 49 and is engaged by a laterally projecting lug 94 on the lever 84 when the lever 84 has swung the arm 64 against the screw 89. The screw 93 therefore forms a stop which limits the swinging movement of the lever 84 011 the arm 49.

In order to actuate the plunger 15, there is pivotally connected with the collar 16 and the lever 49 a link 95, shown in Fig. 2. When the lever 49 is depressed the plunger 15 will be actuated, and since the first move ment of the actuating rod 85 is to swing the arm 64 so as to carry the gem into position below the rod 18, it will be seen that the gem will be in position before the plunger 15 is brought down. When the gem has been secured to the tape, the upward movement of the lever 49 moves the wheel 22 forward to carry a setting into position and also feeds the tape forward a definite amount so that the spacing of the gems on the tape will be uniform. Tn order to prevent the gems from being thrown out of the pocket 67 when the arm 64 is swung inward, there is provided a guard plate 96 which is secured to a small vertical shaft 97 carried in a bearing 98 on the frame. A spring 99, coiled around the shaft 97. has one end secured to the shaft and the other end fixed, as shown, and this spring normally tends to swing the plate 96 outward from a position below the plunger 15. Tn order to limit the outward movement of the plate 96, a stop 100 is secured to the shaft 97 and engagesthe extension 12 of the frame. The plate 96 has a slot 101 through which the rod 18 is adapted to pass and is also provided with a downwardly turned lip 102 adapted to be en gaged by the inner end of the finger 61 when the latter is moved inwardly. The plate 96 is thus carried inward with the fingers 60 and 61, and when these fingers are moved outward the plate 96 is swung outward by the spring 99. When the inward movement of the arm 64 is stopped the gem is prevented from being jolted out of the seat 67 by the plate 96.

The machine may also be provided with suitable counting mechanism for the purpose of keeping track of the number of gems which are set thereby and in the drawings, I have shown a common form of counter 103 which is provided with a ratchet wheel 104. This ratchet wheel is arranged to be actuated by a pawl 105 carried by an arm 106 on the upper end of the plunger 15. The pawl 105 is held against the ratchet wheel 104 by a spring 107 and the ratchet wheel is prevented from turning backward by a suitable retarding spring 108. The

counter 103 is supported by the extension 12 of the frame.

From the foregoing, it will be seen that I have provided a machine of comparatively simple construction which is adapted to 0perate rapidlyfand will secure the gems to the tape or fabric uniformly, and that the distance between the gems on the tape may be varied at will. It will also be observed that all of the parts are actuated by a simpic up and down movement of the rod 85.

' Having thus described my invention, what I claim is:

1. In a machine of the class described, the'combination of means for feeding settings having prongs to a position on one side of the material to which they are to be attached, means for feeding gems to a position on the opposite side of the material, means for bringing the gems, material and settings together with the prongs of the settings inclosing the gems, and means for bending said prongs against the faces of the gems. 2. In a machine of the class described, the combination of means for feeding settings having prongs to a position adjacent the material to which they are to be attached, means for feeding gems, means for attaching the settings to the material. and positioning the gems between the prongs of the settings, and means for bending said prongs against the faces of the gems.

3. In a machine of the class described, the

combination of means for feeding settings having prongs, gem holding means, means for forcing the settings and material, to which they are to be attached, together with the prongs on the opposite side of the material from the body of the settings, and means for bending said prongs against the faces of the gems. V 4. In a machine of the class described, the combination of means for holding a setting having prongs on one side of the material to which it is to be attached, means for forcing a gem and the setting together, with the material between them and the prongs of the setting inclosing the gem, and means for bending the prongs against the faces'of the gem.

5. In a machine of the class described, the combination of means for holding a setting having prongs on one side of the material to which it is to be attached, and a pair of telescopically arranged plungers, the inner of which is adapted to force a gem and the material into the setting and the outer of which is adapted to bend the prongs of the setting against the faces of the gem.

6. In a machine of the class described, the combination of means for holding a setting having prongs on one side of the material to which it is to be attached, and a pair of telescopically arranged reciprocating plungers movable together to force a gem and the material into the setting, the inner of said plungers engaging the gem and remaining stationary after the gem has been positioned while the outer plunger continues to move toward the gem and bend the prongs of the setting-against the faces of the gem.

7. In av machine of the class described, the combination of means for feeding the settings to a position below the material to which they are to be attached, means for feeding gems to a position above the material, means for pushing the gems and the material down into the settings, and means for bending the prongs of the settings against the faces of the gems.

8. In a machine of the class described, the combination of means for holding the settings in position below the material to which they are to be attached, means, arranged above the material, adapted to push the gems and material down into the settings with the prongs of the settings projecting above the material, and means for bending the prongs of the settings against the faces of the gems to secure the settings and gems to the material.

9. In a machine of the class described, the combination of a member adapted to support the settings below the material to which they are to be attached, a downwardly yieldable pin adapted to engage the settings and hold them in position, means, arranged above the material, adapted to push the gems and material down into the settings with the prongs of the settings projecting above the material, and means for bending the prongs of the settings against the faces of the gems to secure the settings and gems to the material.

10. In a machine of the class described, the combination of means for intermittently feeding the material through the machine, means for feeding settings to a position below the material, means for feeding gems to a position above the material, means for pushing the gems and the material down into the settings, and means for bending prongs of the settings against the faces of the gems.

11. In a machine of the class described, the combination of means for intermittently feeding the material through the machine, means for adjusting the distance which the material is fed at each operation, means for feeding settings to a position below the material, means for feeding gems to a position above the material, and a pair of members adapted to be reciprocated and cooperating to push the gems and the material down into the settings and then bend the prongs of the settings against the faces of the gems.

12. In a machine of the class described, the combination of means for intermittently feeding the material through the machine,

an intermittently operated wheel adapted to feed the settings to a position below the material, means for feeding the gems to a position above the material, means for pushing the gems and the material down into the settings, and means for bending the prongs of the settings against the faces of the gems.

13. In a machine of the class described, the combination of an intermittently rotated wheel, means for supporting the material above said wheel, means on said wheel adapted to carry the settings to a position to be secured to the material, means for feed ing gems to a position above the material, and means cooperating with the means for feeding the settings to secure the settings and gems to the material.

14. In a machine of the class described, the combination of a wheel adapted to be rotated on a horizontal axis, means for supporting the material above said wheel, means on said wheel adapted to carry the settings to a position to be secured to the material, an arm adapted to be oscillated to carry the gems to a position on the opposite side of the material from the settings, means for pushing the gems and the material into the settings, and means for bending the prongs of the settings against the faces of the material.

15. In a machine of the class described, the combination of a wheel arranged to rotate on a horizontal axis, an arm arranged to oscillate on a vertical axis, means for holding the material above said wheel, means on said arm for carrying the gems to a position to be secured to the material, means 011 said wheel for supporting the settings in position to be secured to the material, and means cooperating with said last-mentioned means for securing the settings and gems to the material.

16. In a machine of the class described, the combination of a wheel adapted to be intermittently rotated on a horizontal axis, means for supporting the material adjacent the periphery of said wheel, a plurality of means carried by said wheel and each adapted to carry a setting in position to be secured to the material, a member adapted to swing on a vertical axis and carry gems into position to be secured to the material, and means for securing the settings and gems to the material.

17. In a machine of the class described, the combination of a wheel arranged to be intermittently rotated about a horizontal axis, means for holding the material above said wheel, a plurality of radially movable members carried by said wheel and each adapted to convey a setting to a position below the material, an arm adapted to oscillate on a vertical pivot, means on said arm for carrying gems into position above the material, and a pair of cooperating plungers adapted to press the gems and the material into the settings and secure the prongs of the settings against the faces of the gems.

18. In a machine of the class described, the combination of a wheel adapted to be intermittently rotated about a horizontal axis, means for holding the material above said wheel, a plurality of radially movable members on said wheel adapted to convey settings into position below the material, an arm adapted to be oscillated in a horizontal plane to convey gems to a position above the material, a pair of cooperating plungers for securing the gems and settings to the material, a lever arranged. to be oscillated, and means whereby said lever is adapted to actuate said plungers and said arm on one stroke and said wieel on the reverse stroke.

19. In a machine of the class described, the combination of a wheel adapted to be intermittently rotated about a horizontal axis, an arm adapted to be intermittently oscillated about a vertical axis, a pair of cooperating plungers arranged to be reciprocated toand from said wheel, a lever adapted to be oscillated, and means whereby said lever is adapted to actuate said wheel, said arm and said plungers.

20. In a machine of the class described, the combination of means for holding the material, means for holding a setting below the material, an arm adapted to be oscillated in a horizontal plane to convey gems to a position above the setting, a lever arranged to be oscillated, a lever pivoted on the firstmentioned lever, actuating means connected with the second-mentioned lever, means actuated by the first-mentioned lever for securing the settings and gems to the material, and said second-mentioned lever being adapted to actuate said arm before the firstmentioned lever is actuated.

21. In a machine of the class described, the combination of means for holding the material, means for holding a setting in position to be secured to the material, an oscillatable arm adapted to carry a gem into position adjacent the setting, a lever arranged to be oscillated, a lever pivotally mounted on the first-mentioned lever and adapted, when swung, to actuate said arm, a stop for said arm adapted to limit the movement thereof by said lever, said parts being so arranged that the first mentioned lever will be actuated when said arm engages said stop, means whereby said arm is returned to its original position after the first-mentioned lever has been moved a predetermined dis tance, and means actuated by the first-mentioned lever for securing the gem and setting to the material.

22. In a machine of the class described, the combination of a wheel adapted to rotate about a horizontal axis, a pair of cooperating ting, means for actuating said plungers to press the gem and material into the settmg and bend the prongs of the setting against the faces of the gem, and means whereby the gem holding means is Withdrawn after the gem has been pushed into the setting and before the prongshave been bent against the faces of'the gem.

23. In a machine of the class described, the combination of means for supporting the setting, means for holding the material above the setting, a pivotally mounted arm, a pair of cooperating fingers pivoted on said arm and adapted to carry a gem into position above the setting, a reciprocating member adapted to push the gem downwardly so as to separate said fingers and disengage the gem therefrom, and means for withdrawing said arm and fingers after the gem has been removed from the fingers.

24. In a machine of the class described, the combination of means for supporting the setting, means for holding the material above the setting, a pivotally mounted arm, a pair of spring-pressed fingers having cooperating recesses forming a pocket for the "gem, means for. swinging said arm to carry the gem into positlon above the setting,

means for pushing the gem downwardly into the setting so as to disengage the fingers from the gem, and means for withdrawing said arm and fingers after the gem has been disengaged from the fingers.

25. In a machine of the class described, the combination of a rotatably mounted wheel, a'chute for the settings having its de- Copies of this patent may be obtained for livery end on the periphery of the wheel, a plurality of radially arranged members carried by the wheel, plungers carried by said members, springs for normally pressing said plungers outwardly, and cam means engaged by the inner ends of said members and adapted to move the members outward in a radial direction.

26. In a machine of the class described, the combination of means for holding a setting, means for holding the material above the setting, intermittently operated means for carrying a gem into position above the setting, and a guard for preventing the gem from being jolted from said last-mentioned means.

27. In a machine of the class described, the combination of means for supporting a setting, means for holding the material above the setting and adjustable to vary the distance between the material and the setting, means whereby a gem is carried into position above the setting, and means for taking the gem from said last-mentioned means and securing the gem in the setting and the latter to the material.

28. In a machine of the class described, the combination of an intermittently rotatable wheel adapted to support a setting, means for supporting the material above the wheel, a pair of reciprocating members cooperating with the wheel to secure the setting to the material, a lever arranged to be oscillated, and means whereby said lever is adapted to actuate said members on one stroke and said wheel on the succeeding stroke.

In testimony whereof I afiix my signature in presence of two witnesses.

HANS E. GRABAU.

Witnesses:

OTTO J. MAU ER, Josnrrr J. TREACY.

five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

